-
Notifications
You must be signed in to change notification settings - Fork 33
/
funcs.go
181 lines (157 loc) · 3.89 KB
/
funcs.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
package common
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"regexp"
"strings"
"k8s.io/apimachinery/pkg/version"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
corev1 "k8s.io/api/core/v1"
)
func InitContainerArgs() []string {
return []string{
"-c",
fmt.Sprintf("echo \"Running %[1]s\"; %[1]s", FalconDaemonsetInitBinary),
}
}
func InitCleanupArgs() []string {
return []string{
"-c",
fmt.Sprintf("echo \"Running %[1]s\"; %[1]s", FalconDaemonsetCleanupBinary),
}
}
func CleanupSleep() []string {
return []string{
"-c",
"sleep 10",
}
}
func FCAdmissionReviewVersions() []string {
kubeVersion := GetKubernetesVersion()
fcArv := []string{"v1"}
if strings.Compare(kubeVersion.Minor, "22") < 0 {
fcArv = []string{"v1", "v1beta"}
}
return fcArv
}
func GetKubernetesVersion() *version.Info {
// creates the in-cluster config
config, err := rest.InClusterConfig()
if err != nil {
panic(err.Error())
}
// creates the clientset
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
panic(err.Error())
}
version, err := clientset.DiscoveryClient.ServerVersion()
if err != nil {
panic(err.Error())
}
return version
}
func EncodedBase64String(data string) []byte {
base64EncodedData := make([]byte, base64.StdEncoding.EncodedLen(len(data)))
base64.StdEncoding.Encode(base64EncodedData, []byte(data))
return base64EncodedData
}
func EncodeBase64Interface(i interface{}) (string, error) {
buf := bytes.Buffer{}
b64enc := base64.NewEncoder(base64.StdEncoding, &buf)
if err := json.NewEncoder(b64enc).Encode(i); err != nil {
return "", fmt.Errorf("failed to convert to base64 encoding: %v", err)
}
if err := b64enc.Close(); err != nil {
return "", fmt.Errorf("failed to close base64 encoder: %v", err)
}
return buf.String(), nil
}
func DecodeBase64Interface(i interface{}) string {
var str string
switch v := i.(type) {
case string:
str = v
case []byte:
str = string(v)
}
b64byte, err := base64.StdEncoding.DecodeString(str)
if err == nil {
return string(b64byte)
}
return str
}
func CleanDecodedBase64(s []byte) []byte {
re := regexp.MustCompile(`[\t|\n]*`)
b64byte, err := base64.StdEncoding.DecodeString(string(s))
if err != nil {
return []byte(re.ReplaceAllString(string(s), ""))
}
return []byte(re.ReplaceAllString(string(b64byte), ""))
}
func MapCopy(src map[string]string, dst map[string]string) map[string]string {
for k, v := range src {
dst[k] = v
}
return dst
}
func CRLabels(instanceName string, instanceKey string, component string) map[string]string {
return map[string]string{
FalconInstanceNameKey: instanceName,
FalconInstanceKey: instanceKey,
FalconComponentKey: component,
FalconManagedByKey: FalconManagedByValue,
FalconProviderKey: FalconProviderValue,
FalconPartOfKey: FalconPartOfValue,
FalconCreatedKey: FalconCreatedValue,
}
}
func AppendUniqueEnvVars(envVars ...[]corev1.EnvVar) []corev1.EnvVar {
base := []corev1.EnvVar{}
for _, envVars := range envVars {
if envVars == nil {
continue
}
for _, envVar := range envVars {
if !containsEnvVar(base, envVar) {
base = append(base, envVar)
}
}
}
return base
}
func containsEnvVar(envVars []corev1.EnvVar, envVar corev1.EnvVar) bool {
for _, e := range envVars {
if e.Name == envVar.Name {
return true
}
}
return false
}
func UpdateEnvVars(envVars []corev1.EnvVar, updateEnvVars []corev1.EnvVar) []corev1.EnvVar {
for i, envVar := range envVars {
for _, e := range updateEnvVars {
if envVar.Name == e.Name {
if envVar.Value != e.Value {
envVars[i].Value = e.Value
}
}
}
}
return envVars
}
func ImageVersion(image string) *string {
switch {
case strings.Contains(image, ":"):
versionTag := strings.Split(image, ":")
return &versionTag[1]
case strings.Contains(image, "@"):
versionDigest := strings.Split(image, "@")
return &versionDigest[1]
default:
return &image
}
}